We realized that the mission seems not to work correctly.
It seems that these scripts work when you host a dedicated server.

- ArmAGeddon mission: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=330969639
- ArmAGeddon Addon: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=330769044
- "Arma 3 Server" - you can find that in your steam library if you own arma 3.

- Download the workshop-files for mission & addon
- Install "Arma 3 Server"
- Copy the pbo-file to the "mpmissions"-Folder in your Arma 3 Server-directory:
e.g X:\SteamLibrary\steamapps\common\Arma 3 Server\mpmissions
- Copy the files from the ArmAGeddon Addon (there should be 2 folders "addons" & "keys") to the root-folder of the Arma 3 Server e.g.
X:\SteamLibrary\steamapps\common\Arma 3 Server
- Create a shortcut of the arma3server_x64.exe and add to this the startparameter "-nosplash -mod=ARMAGEDDON". The shortcut-target should look like "X:\SteamLibrary\steamapps\common\Arma 3 Server\arma3server.exe" -nosplash -mod=ARMAGEDDON"
- start Arma 3 and connect to your server
- in the lobby you can select the mission file

Important: This is a minimalized configuration of your dedicated server. If you need further information, check the official Bohemia documentation: https://community.bistudio.com/wiki/Arma_3:_Server_Config_File